CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/H6PdLs8G"] [Date "2026.01.31"] [White "Matthew11"] [Black "Nathan4"] [Result "0-1"] [UTCDate "2026.01.31"] [UTCTime "00:32:29"] [WhiteElo "1344"] [BlackElo "1347"] [WhiteRatingDiff "-18"] [BlackRatingDiff "+10"] [WhiteTitle "GM🤪"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Italian Game: Giuoco Pianissimo, Italian Four Knights Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5?! { (0.18 → 0.88) Inaccuracy. Nf6 was best. } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Bc4?! { (0.88 → 0.25) Inaccuracy. Nxe5 was best. } (4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Bd3 d6 8. h3 Bxc3+ 9. bxc3 Qe7 10. O-O Nf6) 4... Nf6 5. d3 { C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation } O-O 6. Bg5 h6 7. Bxf6 Qxf6 8. O-O?! { (0.21 → -0.35) Inaccuracy. Nd5 was best. } (8. Nd5) 8... d6 9. Qd2 a6 10. Na4? { (-0.27 → -1.30) Mistake. Nd5 was best. } (10. Nd5 Qd8 11. Kh1 b5 12. Bb3 a5 13. a4 b4 14. c3 Ba6 15. Rfd1 Rb8 16. d4 Ba7) 10... Bd4?! { (-1.30 → -0.51) Inaccuracy. Bg4 was best. } (10... Bg4 11. Ne1 Ba7 12. Nc3 Ne7 13. Nd5 Nxd5 14. Bxd5 Qg5 15. Qxg5 hxg5 16. Nf3 c6 17. Bc4) 11. Nxd4? { (-0.51 → -1.85) Mistake. Nc3 was best. } (11. Nc3 Bxc3 12. bxc3 Ne7 13. a4 a5 14. Qe3 Ng6 15. Rfe1 Bd7 16. Nd2 Kh8 17. g3 b6) 11... Nxd4 12. Nc3?? { (-1.90 → -10.92) Blunder. f4 was best. } (12. f4 b5) 12... b5?? { (-10.92 → -0.54) Blunder. Nf3+ was best. } (12... Nf3+ 13. Kh1 Nxd2 14. Nd5 Qh4 15. Nxc7 Nxf1 16. Rxf1 Rb8 17. Bb3 b5 18. Nd5 a5 19. a3) 13. Bd5?? { (-0.54 → -7.50) Blunder. Nd5 was best. } (13. Nd5 Qd8) 13... Be6?? { (-7.50 → -0.05) Blunder. Nf3+ was best. } (13... Nf3+ 14. Kh1) 14. Bxa8?? { (-0.05 → -7.25) Blunder. f4 was best. } (14. f4) 14... Rxa8?? { (-7.25 → 3.58) Blunder. Nf3+ was best. } (14... Nf3+ 15. Kh1) 15. Nd5 Bxd5 16. exd5 c5?! { (3.72 → 5.92) Inaccuracy. g5 was best. } (16... g5 17. c3 Nf5 18. a4 b4 19. cxb4 Nd4 20. Rae1 Qf5 21. h3 Rf8 22. Re4 Kg7 23. Kh2) 17. Qc1?? { (5.92 → -5.76) Blunder. f4 was best. } (17. f4 b4 18. c3 Nf5 19. fxe5 Qxe5 20. Qf2 Ne3 21. Rae1 Re8 22. cxb4 cxb4 23. Qxf7+ Kh7) 17... c4?? { (-5.76 → 3.17) Blunder. Ne2+ was best. } (17... Ne2+ 18. Kh1 Nxc1 19. Raxc1 Qf4 20. a3 Qd4 21. Rb1 Kh7 22. Kg1 Kg6 23. g3 Qxd5 24. b3) 18. dxc4?? { (3.17 → -5.69) Blunder. Qd1 was best. } (18. Qd1) 18... bxc4?? { (-5.69 → 3.51) Blunder. Ne2+ was best. } (18... Ne2+ 19. Kh1 Nxc1 20. Raxc1 bxc4 21. c3 Qf4 22. b3 Rb8 23. b4 Qd2 24. a3 Qxd5 25. Rcd1) 19. c3?? { (3.51 → -5.69) Blunder. Qd1 was best. } (19. Qd1 Qf4 20. c3 Nf5 21. g3 Qg5 22. Qe2 Rc8 23. Rae1 Qg6 24. Qe4 a5 25. f4 Re8) 19... Nb5?? { (-5.69 → 5.75) Blunder. Ne2+ was best. } (19... Ne2+ 20. Kh1 Nxc1 21. Raxc1 Qf4 22. b4 Qe4 23. a4 Rb8 24. h3 Qxd5 25. Rcd1 Qc6 26. f4) 20. a4 Nc7 21. b4?? { (4.30 → 0.74) Blunder. Qc2 was best. } (21. Qc2 Nxd5) 21... cxb3?? { (0.74 → 2.98) Blunder. Nxd5 was best. } (21... Nxd5 22. g3 Qf3 23. Qd1 Qd3 24. Rc1 Re8 25. Rc2 Qg6 26. Rd2 Nxc3 27. Qc2 Qxc2 28. Rxc2) 22. Qb2? { (2.98 → 1.40) Mistake. c4 was best. } (22. c4 e4 23. Rb1 Rb8 24. Qe3 b2 25. Qa7 Qd8 26. f3 Ne8 27. fxe4 Nf6 28. Qd4 Qc7) 22... Nxd5 23. c4? { (1.20 → 0.14) Mistake. Qxb3 was best. } (23. Qxb3 Nf4) 23... Nb4? { (0.14 → 1.39) Mistake. Nf4 was best. } (23... Nf4) 24. Qxb3 a5 25. Rad1 Kh7? { (1.46 → 3.08) Mistake. Rc8 was best. } (25... Rc8 26. h3) 26. Qb2?? { (3.08 → 1.23) Blunder. Qe3 was best. } (26. Qe3) 26... e4?? { (1.23 → 6.30) Blunder. Qe6 was best. } (26... Qe6) 27. Qe2?? { (6.30 → 1.13) Blunder. Qxf6 was best. } (27. Qxf6 gxf6) 27... Qe5?? { (1.13 → 3.24) Blunder. Re8 was best. } (27... Re8 28. Qe3) 28. f4?? { (3.24 → -0.14) Blunder. Rxd6 was best. } (28. Rxd6) 28... exf3?? { (-0.14 → 4.76) Blunder. Qc5+ was best. } (28... Qc5+ 29. Kh1) 29. Qxe5 dxe5 30. Rxf3 e4? { (3.66 → 6.21) Mistake. Ra7 was best. } (30... Ra7 31. c5) 31. Rxf7 e3?! { (5.43 → 7.29) Inaccuracy. Nd3 was best. } (31... Nd3) 32. Re1? { (7.29 → 3.55) Mistake. Rdd7 was best. } (32. Rdd7 Rg8) 32... Nc2 33. Re2 Nd4? { (3.58 → 7.30) Mistake. Re8 was best. } (33... Re8 34. Rxc2 e2 35. Rf1 exf1=Q+ 36. Kxf1 Kg6 37. c5 Kf6 38. c6 Rc8 39. Ke2 Ke6 40. Kd3) 34. Rxe3 Nc2 35. Ree7 Rg8 36. c5 Nd4 37. Rd7 Nc6 38. Rd6 Ne5 39. Rf5 Nc4 40. Rc6 g6 41. Rf7+ Rg7 42. Ra7?? { (9.05 → -3.93) Blunder. Rxg7+ was best. } (42. Rxg7+ Kxg7 43. Re6 Kf7 44. Re4 Nd2 45. Re1 Nc4 46. c6 Nd6 47. c7 Kf6 48. Kf2 h5) 42... Rxa7 43. Re6?! { (-3.96 → -5.87) Inaccuracy. Rc8 was best. } (43. Rc8 Kg7) 43... Rc7 44. Re1 Rxc5 45. Kf2 Ne5 46. Ke3 Rc3+?? { (-6.66 → -1.29) Blunder. Nc6 was best. } (46... Nc6 47. Rd1) 47. Kd4 Rc2 48. Kxe5?? { (-1.24 → -3.71) Blunder. Rxe5 was best. } (48. Rxe5 Rxg2 49. Rxa5 h5 50. Rb5 Rxh2 51. a5 Rc2 52. Rc5 Rg2 53. Rc7+ Kh6 54. Kc5 g5) 48... Rxg2 49. h4 Rg4 50. Rh1? { (-3.90 → -7.11) Mistake. h5 was best. } (50. h5 Rxa4 51. hxg6+ Kxg6 52. Rg1+ Kh7 53. Rd1 Rg4 54. Rd6 Rg6 55. Rd4 Ra6 56. Ra4 Kg6) 50... Rxa4 51. Kd5?! { (-5.38 → -7.73) Inaccuracy. h5 was best. } (51. h5 Rg4 52. hxg6+ Kxg6 53. Rf1 a4 54. Rf3 Rb4 55. Rg3+ Kh5 56. Rh3+ Kg5 57. Rg3+ Kh4) 51... Rg4 52. Ke5 a4 53. Kf6 a3 54. Rd1 a2?? { (-7.75 → 0.00) Blunder. h5 was best. } (54... h5) 55. Rd7+ Kh8 56. h5?? { (0.00 → Mate in 8) Checkmate is now unavoidable. Rd8+ was best. } (56. Rd8+ Kh7 57. Rd7+ Kh8) 56... a1=Q+ 57. Kf7 Qg7+?! { (Mate in 6 → -78.23) Lost forced checkmate sequence. Qe5 was best. } (57... Qe5 58. Rd8+ Kh7 59. hxg6+ Rxg6 60. Rh8+ Kxh8 61. Kxg6 Qf4 62. Kh5 Qg5#) 58. Ke6?! { (-78.23 → Mate in 6) Checkmate is now unavoidable. Ke6 was best. } (58. Ke6 Qxd7+ 59. Kxd7 gxh5 60. Ke6 Rg5 61. Kd7 h4 62. Kd8 h3 63. Ke8 h2 64. Kd8 h1=Q) 58... Re4+ 59. Kd5 Rh4?! { (Mate in 5 → -56.15) Lost forced checkmate sequence. Qd4+ was best. } (59... Qd4+ 60. Kc6 Re6+ 61. Rd6 Rxd6+ 62. Kb5 Rb6+ 63. Ka5 Qb4#) 60. Kc6?! { (-56.15 → Mate in 10) Checkmate is now unavoidable. Rxg7 was best. } (60. Rxg7 Rxh5+ 61. Ke4 Kxg7 62. Kf3 Rh4 63. Kg2 g5 64. Kg3 Rf4 65. Kh3 h5 66. Kg3 h4+) 60... Qc3+ 61. Kd6 Rd4+ 62. Ke7 Rxd7+ 63. Kxd7 Qd4+ 64. Ke7 Qe5+ 65. Kf7 Qc7+ 66. Kxg6 Kg8 67. Kxh6 Qg7# { Black wins by checkmate. } 0-1